Tag Archives: Phobos

Giant impact made Mars moons Phobos, Deimos

Where did the two natural satellites of Mars, Phobos and Deimos, come from? For a long time, their shape suggested that they were asteroids captured by Mars. However, the shape and course of their orbits contradict this hypothesis. Two independent … Continue reading

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Curiosity update: Phobos transit and Soliday

Sol 1382-83, June 27, 2016, update from USGS scientist Ryan Anderson: Contact science in the Sol 1380-1381 plan went well, so we’re back to driving in the weekend plan! Sol 1382 will start with a Mastcam video of Phobos crossing … Continue reading

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MAVEN observes Phobos in ultraviolet

NASA scientists are closer to solving the mystery of how Mars’ moon Phobos formed. In late November and early December 2015, the MAVEN mission made a series of close approaches to the Martian moon Phobos, collecting data from within 300 … Continue reading

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Phobos’ demise to produce Martian ring system

Mars’ largest moon, Phobos, is slowly falling toward the planet, but rather than smash into the surface, it likely will be shredded and the pieces strewn about the planet in a ring like the rings encircling Saturn, Jupiter, Uranus and … Continue reading

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Is Martian moon Phobos slowly falling apart?

The long, shallow grooves lining the surface of Phobos are likely early signs of the structural failure that will ultimately destroy this moon of Mars. Orbiting a mere 3,700 miles (6,000 kilometers) above the surface of Mars, Phobos is closer … Continue reading

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Mars Orbiter Mission: Phobos in motion

Did you see that? It moved! Oh, it’s just Phobos.  [Flash animation at link]

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Curiosity images Phobos crossing the Sun

From Emily Lakdawalla’s blog at The Planetary Society: “Shooting video of a lumpy moon crossing the Sun and turning it into a giant googly eye is not a new activity for Curiosity, but I get a fresh thrill each time … Continue reading

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HRSC: Phobos and Jupiter align

Even though it may only be a lump of porous rock, Phobos isn’t shy about hogging the limelight in this sequence taken by ESA’s Mars Express. These three images show Phobos, the larger of the two martian moons, darting across … Continue reading

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Curiosity: Sol 613, April 27, 2014

Mars moon Phobos leaves a trail as it sets in the east over the shoulder of Mount Sharp, in the first of six time- exposure frames taken over a 10-minute period by Curiosity’s right-side Navcam. The full series of images … Continue reading

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Curiosity images planets, asteroids, Mars moons

A new image from NASA’s Curiosity Mars rover is the first ever from the surface of Mars to show an asteroid, and it shows two: Ceres and Vesta. These two — the largest and third-largest bodies in the asteroid belt … Continue reading

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